Torque NEET Questions

Physics - Rotational Motion

Torque MCQ Questions


13.
The SI unit of torque is ______.
A.
Newton meter (Nยทm)
B.
Joule (J)
C.
Watt (W)
D.
Pascal (Pa)
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ANSWER :
A. Newton meter (Nยทm)
14.
The torque acting on a rigid body causes ______ motion.
A.
Rotational
B.
Translational
C.
Vibrational
D.
No
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ANSWER :
A. Rotational
15.
The formula for torque is ฯ„ = ______.
A.
m ร— a
B.
r ร— F
C.
mvยฒ/r
D.
F ร— d
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ANSWER :
B. r ร— F
16.
A couple produces a ______ torque on a body.
A.
Net zero
B.
Balanced
C.
Net non-zero
D.
Random
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ANSWER :
C. Net non-zero
17.
The vector direction of torque is given by the ______ rule.
A.
Right-hand
B.
Left-hand
C.
Torque-angle
D.
Lever principle
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ANSWER :
A. Right-hand
18.
If the net external torque on a system is zero, the angular momentum ______.
A.
Remains constant
B.
Increases
C.
Decreases
D.
Becomes zero
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ANSWER :
A. Remains constant